Since David Axmark and I started to work on MySQL we also took a strong stand against software patents. MySQL AB have been sponsoring several efforts to prevent software patents in Europa.
Now David and I are continuing to do this outside of MySQL AB. We just gave an economic sponsorship to the Patent Lens, who recently lost their main sponsor, so that it can continue it's important work in making the patents system more accessible.
Here is a short description of Patent Lens from it's founder, Richard A Jefferson:
We are working to generalize the Patent Lens as the informatics platform of the Initiative for Open Innovation, which aspires to render